− 5x 5 ) 9 =- 1 2 10x 8 ) 7 July 8, 2019 16 32 64 128 − 5x 5 )+ 9 =- 1 2 10x 8 )+ 7 5 x 7 = 35 5 x 5 x 5 x 5 x 5
